Influence of Shield Tunneling on Adjacent Structures and Control Technology

Preface
Brief Introduction
Contents
Author’s Brief Introduction
1 Introduction
1.1 The Introduction
1.2 Construction Principle of Earth Pressure Balance Shield Tunneling
1.3 Research Status of Soil Deformation Caused by Shield Tunneling
1.3.1 Empirical Formula Method
1.3.2 Theoretical Analysis
1.3.3 Numerical Simulation Method
1.3.4 Model Test Method
1.3.5 Field Measurement Method
1.4 Research Status of the Impact of Shield Tunneling on Adjacent Buildings
1.4.1 Theoretical Analysis
1.4.2 Numerical Simulation Method
1.4.3 Field Measurement Method
1.5 Deficiencies of Existing Studies
1.6 Main Research Contents of the Book
References
2 Measurement and Analysis of Shield Tunneling Settlement of Adjacent Different Foundation Buildings
2.1 The Introduction
2.2 Project Overview
2.2.1 Project Introduction
2.2.2 Hydrogeological Conditions
2.3 Field Test Plan
2.3.1 Test Method
2.3.2 Arrangement of Measuring Points
2.4 Analysis of Measured Results
2.4.1 Analysis of Measured Land Settlement Curve
2.4.2 Settlement Curve Analysis of Different Foundation Buildings Measured
2.5 Summary
References
3 Calculation of Soil Deformation Caused by Shield Tunneling
3.1 Introduction
3.2 Principle of Huiyuan Method (Mirror Image Method)
3.3 Huiyuan Method Considering Influencing Factors of Construction
3.3.1 Calculation of Soil Deformation Caused by Unbalance of Excavation Face
3.3.2 Calculation of Soil Deformation Caused by Gap of Shield Tail
3.3.3 Calculation of Soil Deformation Caused by Grouting at Shield Tail
3.4 Improved Sagaseta Calculation Formula
3.4.1 Improvement of Sagaseta Formula
3.4.2 Example Verification
3.5 Summary
References
4 A Theoretical Study on the Influence of Longitudinal Tunneling of Shield on Adjacent Shallow Foundation Buildings
4.1 Introduction
4.2 Theoretical Research on Beam Synergic Action Model Based on Elastic Foundation
4.2.1 The Establishment of the Calculation Model
4.2.2 Analysis of Theoretical Results
4.2.3 Influence of Various Factors on Additional Stress of Buildings
4.3 Theoretical Research based on the Synergetic Action Model of Shear and Bending Beam of Elastic Foundation
4.3.1 Establishment of Calculation Model
4.3.2 Additional Stress of the Building
4.3.3 Calculation and Analysis of Examples
4.4 Summary
References
5 Theoretical Research on the Influence of Longitudinal Tunneling of Shield on Adjacent Buildings with Short Pile Foundation
5.1 Introduction
5.2 Theoretical Research on Beam Synergy Model Based on Elastic Foundation
5.2.1 Establishment of Calculation Model
5.2.2 Theoretical Analysis
5.2.3 Influence of Different Factors on Additional Stress of Buildings
5.3 Theoretical Research on the Synergy Model of Shear and Bending Beams Based on Elastic Foundation
5.3.1 Establishment of Calculation Model
5.3.2 Calculation and Analysis of Examples
5.4 Summary
References
6 Study on the Influence and Control Standard of Double Line Shield Tunneling on Adjacent Buildings
6.1 Introduction
6.2 Study on the Influence of Double-Line Shield Tunneling on Adjacent Shallow Foundation Buildings
6.2.1 Establishment of Joint Action Mechanical Model
6.2.2 Calculation Conditions
6.2.3 Case Calculation and Analysis
6.3 Study on the Impact of Double-Line Shield Tunneling on Adjacent Shallow Foundation Frame Buildings
6.3.1 Establishment of Joint Action Mechanical Model
6.3.2 Calculation Conditions
6.3.3 Calculation and Analysis of Examples
6.4 Study on the Impact of Double Shield Tunneling on Adjacent Shallow Foundation Frame Buildings
6.4.1 Establishment of Joint Action Mechanical Model
6.4.2 Calculation Conditions
6.4.3 Case Calculation and Analysis
6.5 Study on Building Deformation Control Standards
6.5.1 Building Damage Risk Assessment
6.5.2 Building Settlement Control Standard
6.6 Summary
References
7 Prediction of Lateral Surface Settlement Caused by Shield Tunneling of Adjacent Buildings
7.1 The Introduction
7.2 Preliminary Numerical Research Results
7.2.1 Model Establishment
7.2.2 Ground Settlement Analysis
7.3 Prediction of Lateral Surface Settlement of Adjacent Shallow Foundation Buildings Under Working Conditions
7.3.1 Plug Distribution Curve
7.3.2 Skew Distribution Curve
7.4 Development of Visual Software for Safety Assessment of Shield Tunneling of Adjacent Buildings
7.4.1 Evaluation Criteria of Sedimentation Tank Width Parameter Method
7.4.2 Realization of Visual Influence System
7.5 Summary
References
8 Construction Control Technology of Shield Construction for Adjacent Structures
8.1 Introduction
8.2 Case 1: The Subway from Jianguo North Road Station to Middle Hebei Road Station in Hangzhou Passes Through Fengqi Bridge Pile
8.2.1 Project Overview
8.2.2 Reconstruction and Reinforcement Measures of Shield Tunneling Machine
8.2.3 Analysis of Control Technology for Pile Grinding Across River
8.3 Case 2: The Tunnel Between Jiaoqiao Station and Changjiang Road Station in Nanchang Undergoes the West Part of Fenghuang Garden
8.3.1 Project Overview
8.3.2 Grouting Reinforcement and Emergency Plan
8.3.3 Analysis of Construction Control
8.4 Case 3: The Tunnel Between Ningbo West Gate and Gulou Station Passes Through Important Cultural Relics
8.4.1 Project Overview
8.4.2 Monitoring Point Layout
8.4.3 Analysis of Monitoring Data of Underworn Cultural Relics
8.4.4 Back Analysis of Monitoring Data of Gulou Interval from Ximenkou Station to Line 1
8.5 Summary